1120001220221 has 8 divisors (see below), whose sum is σ = 1258596689280. Its totient is φ = 988897398192.

The previous prime is 1120001220209. The next prime is 1120001220269. The reversal of 1120001220221 is 1220221000211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120001220221 - 2⁶ = 1120001220157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120001220196 and 1120001220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120001120221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1872911441 + ... + 1872912038.

It is an arithmetic number, because the mean of its divisors is an integer number (157324586160).

Almost surely, 2^{1120001220221} is an apocalyptic number.

It is an amenable number.

1120001220221 is a deficient number, since it is larger than the sum of its proper divisors (138595469059).

1120001220221 is a wasteful number, since it uses less digits than its factorization.

1120001220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745823515.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1120001220221 its reverse (1220221000211), we get a palindrome (2340222220432).

The spelling of 1120001220221 in words is "one trillion, one hundred twenty billion, one million, two hundred twenty thousand, two hundred twenty-one".